Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AG4BY callsign genealogy
Currently held by LANKFORD, WILLIAM S
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AG4BY's current licensee, walking backwards.
- LANKFORD, WILLIAM SNCgranted 1993-06-01cancelled 2000-08-22
Successor callsigns
Callsigns held now by people who previously held AG4BY.
No current licensee on record previously held this callsign.